127708721

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{997}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 151376640

約数和(自身を除く): 23667919

約数列:

[1, 7, 29, 203, 631, 997, 4417, 6979, 18299, 28913, 128093, 202391, 629107, 4403749, 18244103, 127708721]

約数ペア:

[(1, 127708721), (7, 18244103), (29, 4403749), (203, 629107), (631, 202391), (997, 128093), (4417, 28913), (6979, 18299)]